Shenandoah (2001-2005)

Impairment - (drug/alcohol) related crashes were selected by identifying crashes involving any driver with a positive drug test, a nonzero blood alcohol content (BAC) result, a driver condition indicating officer judgment that the driver was under the influence of alcohol, drugs or medications, or a test refusal (whether drug or alcohol). Maps and reports are subsequent to this selection.

Inattentive/Distracted crashes were selected by identifying crashes involving a driver contributing circumstance indicating inattentive or distracted behavior (i.e., inattentive/distracted by passenger, use of phone or other device, fallen object, of fatigued/asleep). Maps and reports are subsequent to this selection.

Older driver-related crashes were selected by identifying crashes involving a driver at or older than age 65. Selection of these crashes only indicates involvement and not causal factors. Maps and reports are subsequent to this selection.

Younger driver-related crashes were selected by identifying crashes involving a driver between the ages of 14 and 20 (inclusive). Selection of these crashes only indicates involvement and not causal factors on the part of the younger driver. Maps and reports are subsequent to this selection.

Animal-vehicle crashes were selected by identifying crashes and then by querying animal from major cause, where major cause is a derived field in which animal is determined as the major cause if a collision with an animal is indicated in any of the Sequence of Events (up to four per vehicle) entries. Maps and reports are subsequent to this selection.

Unbelted passenger-related crashes were selected by identifying crashes and further limiting crashes to those involving an unbelted occupant of a vehicle and injuries to those persons who were unbelted. Maps and reports are subsequent to this selection.

Intersection-related crashes were selected by identifying crashes and querying for the intersection options under the type of roadway junction/feature portion of the crash report form. Maps and reports are subsequent to this selection.

Heavy truck-related crashes were selected by identifying crashes and limiting those crashes to those involving heavy trucks (truck/trailer, truck tractor (bobtail), tractor/semi-trailer, tractor/doubles, tractor/triples). Selection of these crashes only indicates involvement and not causal factors on the part of the trucker. Maps and reports are subsequent to this selection.

Motorcycle-related crashes were selected by identifying crashes and limiting those crashes to those involving motorcycles. Selection of these crashes only indicates involvement and not causal factors on the part of the motorcyclist. Maps and reports are subsequent to this selection.

Multi vehicle crossed centerline/crossed median (MVCC/CM) crashes were selected by identifying crashes and then by limiting to multivehicle crashes and then further querying manner of crash/collision impact equal to head-on; sideswipe, same direction; or sideswipe, opposite direction or any sequence of event (up to four per vehicle) equal to crossed centerline/median or any contributing circumstance, driver (up to two per driver) equal to traveling wrong way or on wrong side of road, crossed centerline, or lost control and then limiting the occurrences of these to nonintersection sites. Maps and reports are subsequent to this selection.

Single-vehicle run-off-road (SVROR) crashes were selected by identifying crashes and then by limiting to single-vehicle crashes and then further querying for any sequence of event (up to four per vehicle) equal to ran off road, right; ran off road, straight; or ran of road, left. Maps and reports are subsequent to this selection.